2003-01-24  Phil Edwards  <pme@gcc.gnu.org>

	Rename -W to -Wextra.
	* c-decl.c:  Update comments.
	* c-typeck.c:  Likewise.
	* flags.h:  Likewise.
	* function.c:  Likewise.
	* stmt.c:  Likewise.
	* toplev.c:  Update comments.
	(W_options):  Add 'extra'.
	(display_help):  Remove '-W'.
	(decode_W_option):  Special warn_uninitialized treatment in the case
	of -Wextra.
	* doc/invoke.texi:  Update with new entries.

From-SVN: r61696

	* alias.c: Fix comment typos.
	* basic-block.h: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-opts.c: Likewise.
	* c-pragma.c: Likewise.
	* c-pretty-print.h: Likewise.
	* cfg.c: Likewise.
	* cfganal.c: Likewise.
	* cfgbuild.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgrtl.c: Likewise.
	* convert.c: Likewise.
	* cpphash.h: Likewise.
	* cpplex.c: Likewise.
	* cpplib.h: Likewise.
	* df.h: Likewise.
	* diagnostic.c: Likewise.
	* diagnostic.h: Likewise.
	* dwarf2.h: Likewise.

From-SVN: r61462

From-SVN: r61136

        * c-common.c (finish_fname_decls): Put the DECL_STMTs inside the
        outermost scope.
        * c-decl.c (c_make_fname_decl): Push the decls there, too.
cp/
        * decl.c (cp_make_fname_decl): Push the decls inside the
        outermost scope.

From-SVN: r60848

From-SVN: r60174

	* c-decl.c: Fix a comment typo.
	* cfg.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgrtl.c: Likewise.
	* c-typeck.c: Likewise.
	* dominance.c: Likewise.
	* dwarf2asm.c: Likewise.
	* dwarfout.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* final.c: Likewise.
	* flow.c: Likewise.
	* function.c: Likewise.
	* gcc.c: Likewise.
	* genautomata.c: Likewise.
	* integrate.c: Likewise.
	* loop.c: Likewise.
	* loop.h: Likewise.
	* output.h: Likewise.
	* profile.c: Likewise.
	* ra.h: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* sched-rgn.c: Likewise.
	* stmt.c: Likewise.
	* tree.h: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r60085

From-SVN: r59527

	PR c/8518
	* c-decl.c (duplicate_decls): Outline the second definition
	of an extern inline function in all cases.

From-SVN: r59302

c-decl.c (grokdeclarator): Make error for duplicate type qualifiers into a pedwarn, disabled for C99.

	* c-decl.c (grokdeclarator): Make error for duplicate type
	qualifiers into a pedwarn, disabled for C99.

testsuite:
	* gcc.dg/c90-idem-qual-2.c, gcc.dg/c99-idem-qual-2.c: New tests.

From-SVN: r58983

	* c-decl.c, cp/decl.c (start_decl): Point users of the old initialized-
	typedef extension at __typeof__.

From-SVN: r58297

gcc:
	* c-decl.c (start_decl): Unconditionally issue error for
	'typedef foo = bar'.
	(finish_decl): Remove special case for TYPE_DECL with initializer.

	* doc/extend.texi: Delete "Naming Types" section.  Change all
	cross-references to that section to refer to "Typeof" instead.
	Add the useful safe-max()-macro example from "Naming Types" to
	"Typeof", rewritten using that extension.

gcc/cp:
	* decl.c (start_decl): Unconditionally issue error for
	'typedef foo = bar'.
	(cp_finish_decl): Remove special case for TYPE_DECL with initializer.
	(grokdeclarator): Remove redundant error for 'typedef foo = bar'.

gcc/testsuite:
	* g++.dg/ext/typedef-init.C: New test.
	* gcc.dg/typedef-init.c: New test.

From-SVN: r57995

	* ChangeLog: Follow spelling conventions.
	* ChangeLog.0: Likewise.
	* ChangeLog.1: Likewise.
	* ChangeLog.2: Likewise.
	* ChangeLog.3: Likewise.
	* ChangeLog.4: Likewise.
	* ChangeLog.5: Likewise.
	* ChangeLog.6: Likewise.
	* FSFChangeLog.10: Likewise.
	* FSFChangeLog.11: Likewise.
	* alias.c: Likewise.
	* basic-block.h: Likewise.
	* c-aux-info.c: Likewise.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-semantics.c: Likewise.
	* c-typeck.c: Likewise.
	* calls.c: Likewise.
	* cfganal.c: Likewise.
	* cfgloop.c: Likewise.
	* collect2.c: Likewise.
	* combine.c: Likewise.
	* conflict.c: Likewise.
	* cppexp.c: Likewise.
	* cppfiles.c: Likewise.
	* cpphash.h: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* cpplib.h: Likewise.
	* cppmacro.c: Likewise.
	* cse.c: Likewise.

From-SVN: r57398

	* c-decl.c (grokdeclarator): Make invalid combinations with long,
	short, signed or unsigned into hard errors.  Fixes PR c/4319.
	Also make duplicate modifiers such as "short short" into hard
	errors.

testsuite:
	* gcc.dg/typespec-1.c: New test.

From-SVN: r56492

	* c-decl.c (flexible_array_type_p): New function.
	(grokdeclarator, finish_struct): Use it.
	* doc/extend.texi: Document constraints on use of structures with
	flexible array members.

testsuite:
	* gcc.dg/c90-flex-array-1.c, gcc.dg/c99-flex-array-3.c,
	gcc.dg/c99-flex-array-4.c: New tests.

From-SVN: r56411

2002-08-09  Ziemowit Laski  <zlaski@apple.com>

        * c-common.c (flag_objc): New.
        * c-common.h (c_language_kind): Get rid of clk_objective_c
        enum value.
        (flag_objc): New extern declaration.
        * c-decl.c (implicitly_declare): Call objc_check_decl
        instead of maybe_objc_check_decl.
        (finish_decl): Likewise.
        (grokfield): Likewise.
        (finish_struct): Likewise.
        * c-lang.c (maybe_objc_check_decl): Rename to objc_check_decl.
        (maybe_objc_comptypes): Rename to objc_comptypes.
        (maybe_building_objc_message_expr): Rename to
        objc_message_selector.
        * c-lex.c (lex_charconst): Remove uses of clk_objective_c,
        replace with flag_objc as needed.
        * c-opts.c (c_common_init_options): Likewise.
        (c_common_decode_option): Likewise.
        * c-parse.in (init_reswords): Likewise.
        * c-tree.h (maybe_objc_check_decl): Rename to objc_check_decl.
        (maybe_objc_comptypes): Rename to objc_comptypes.
        (maybe_building_objc_message_expr): Rename to
        objc_message_selector.
        * c-typeck.c (comptypes): Call objc_comptypes instead of
        maybe_objc_comptypes, and/or objc_message_selector instead of
        (comp_target_types): Likewise.
        (convert_for_assignment): Likewise.
        (warn_for_assignment): Likewise.
        * cppinit.c (init_builtins): Set __OBJC__ manifest constant
        independently of those for other languages.
        * objc/objc-act.c (maybe_objc_comptypes): Delete.
        (maybe_objc_check_decl): Delete.
        (maybe_building_objc_message_expr): Rename to
        objc_message_selector.
        * objc/objc-lang.c (objc_init_options): Use clk_c instead of
        clk_objective_c; set flag_objc flag.

From-SVN: r56173

	* Makefile.in (c-opts.o, c-common.o, C_AND_OBJC_OBJS): Update.
	* c-common.c: Don't include tree-inline.h.
	(c_common_init_options, c_common_post_options): Move to c-opts.c.
	* c-common.h (c_common_decode_option): New.
	* c-decl.c (c_decode_option): Remove.
	* c-lang.c (LANG_HOOKS_DECODE_OPTION): Use c_common_decode_option.
	* c-opts.c: New file.
	* c-tree.h (c_decode_option): Remove.
	* doc/passes.texi: Update.
	* objc/objc-act.c (objc_decode_option): Remove.
	* objc/objc-act.h (objc_decode_option): Remove.
	* objc/ojbc-lang.c (LANG_HOOKS_DECODE_OPTION): Use
	c_common_decode_option.
cp:
	* Make-lang.in (CXX_C_OBJS): Update.
	* cp-lang.c (LANG_HOOKS_DECODE_OPTION): Use c_common_decode_option.
	* cp-tree.h (cxx_decode_option): Remove.
	* decl2.c (compare_options, lang_f_options, unsupported_options,
	cxx_decode_option): Remove.
testsuite:
	* objc.dg/const-str-2.m: Update.
	* gcc.dg/cpp/c++98.c: Change to C extension.
	* gcc.dg/cpp/c++98-pedantic.c: Similarly.
	* gcc.dg/cpp/cpp.exp: Process .C extensions too.

From-SVN: r56105

        * c-decl.c (duplicate_decls): Error out for incompatible TLS
        declarations.

        * testsuite/gcc.dg/tls/diag-3.c: New.

From-SVN: r56084

	* c-common.c: Define all C/ObjC/C++ warning and flag variables.
	* c-common.h: Declare all C/ObjC/C++ warning and flag variables.
	* c-decl.c: Move all warning and flag variables to c-common.c.
	* c-format.c: Move all warning variables to c-common.c.
	* c-tree.h: Move all warning and flag declarations to c-common.h.
	* objc/objc-act.c: Move all warning variables to c-common.c.
	(flag_warn_protocol): Rename warn_protocol.
cp:
	* cp-tree.h: Move all warning and flag declarations to c-common.h.
	* decl.c: Move all warning and flag variables to c-common.c.
	* decl2.c: Move all warning and flag variables to c-common.c.
	* lex.c (flag_digraphs): Remove.
	(warn_traditional): Now in c-common.c.

From-SVN: r55923

	* builtins.def [DEF_GCC_BUILTIN]: Require an explicit ATTRS
	argument.  Mark BUILT_IN_RETURN, BUILT_IN_EH_RETURN,
	BUILT_IN_LONGJMP and BUILT_IN_TRAP as noreturn, the ISO C99
	floating point unordered comparisons (e.g. __builtin_isgreater)
	as const, and leave the remaining GCC_BUILTINs unchanged.

	* c-decl.c (builtin_function): No need to explicitly mark
	BUILT_IN_RETURN and BUILT_IN_EH_RETURN as noreturn.

	* cp/decl.c (builtin_function_1): No need to explicitly mark
	BUILT_IN_RETURN and BUILT_IN_EH_RETURN as noreturn.

From-SVN: r55805

	* c-decl.c (c_decode_option): No need to handle switches
	cpplib handles.
cp:
	* decl2.c (cxx_decode_option): Similarly.

From-SVN: r55737

From-SVN: r55646

c-decl.c (build_compound_literal): Defer compound literal decls until until file end to emit them only if...

	* c-decl.c (build_compound_literal): Defer compound literal decls
	until until file end to emit them only if they are actually used.

	* gcc.dg/gnu89-init-2.c: New test.

From-SVN: r55645

2002-07-21  Gabriel Dos Reis  <gdr@nerim.net>

        * c-decl.c (build_array_declarator): Say 'ISO C90', not 'ISO C89'.
        (grokdeclarator): Likewise.
        * c-format.c (C_STD_NAME): Likewise.
        * c-lex.c (interpret_integer): Likewise.
        * c-typeck.c (build_array_ref): Likewise.
        * cpplex.c (_cpp_lex_direct): Likewise.
        * toplev.c (documented_lang_options): Likewise.

testsuite/
2002-07-21  Gabriel Dos Reis  <gdr@nerim.net>

        * gcc.dg/c90-arraydecl-1.c: Change C89 too C90.

From-SVN: r55629

	* ginclude/varargs.h: Replace with stub which issues #error.
	* ginclude/stdarg.h: __builtin_stdarg_start is renamed
	__builtin_va_start.

	* builtins.def (BUILT_IN_VARARGS_START): Delete.
	(BUILT_IN_VA_START): New.
	* builtins.c (expand_builtin_va_start): Eliminate first
	argument and code to implement pre-ISO varargs.
	(std_expand_builtin_va_start): Ignore first argument; it is
	always 1.
	(expand_builtin): Handle BUILT_IN_VA_START and
	BUILT_IN_STDARG_START identically.  Delete
	BUILT_IN_VARARGS_START case.

	* function.c (assign_parms): Delete hide_last_arg and all
	its uses.
	(mark_varargs): Delete function.
	* function.h (struct function): Delete 'varargs' bit.
	(current_function_varargs): Delete macro.
	* tree.h: Don't declare mark_varargs.

	* c-decl.c (c_function_varargs, c_mark_varargs): Delete.
	(c_expand_body): Don't call mark_varargs.
	* c-objc-common.c: Handle BUILT_IN_VA_START and
	BUILT_IN_STDARG_START identically.  Delete
	BUILT_IN_VARARGS_START case.
	* c-tree.h: Don't declare c_mark_varargs.
	* c-parse.in: Remove grammar rules for '&...' (which has been
	commented out since before 2.7.2) and for '...' in K+R
	argument declarations.

	* builtins.c, function.c, integrate.c, sibcall.c,
	config/alpha/unicosmk.h, config/arc/arc.c, config/arc/arc.h,
	config/avr/avr.c, config/cris/cris.c, config/fr30/fr30.c,
	config/i960/i960.c, config/i960/i960.md, config/m32r/m32r.c,
	config/m32r/m32r.h, config/m88k/m88k.c, config/m88k/m88k.h,
	config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
	config/mn10300/mn10300.c, config/pa/som.h, config/s390/s390.c,
	config/sh/sh.c, config/sh/sh.h, config/sparc/sparc.h,
	config/stormy16/stormy16.c: Delete all references to
	current_function_varargs, and code predicated on that flag.

	* config/alpha/alpha.c (alpha_va_start),
	config/arc/arc.c (arc_va_start),
	config/i386/i386.c (ix86_va_start),
	config/mips/mips.c (mips_va_start),
	config/mn10300/mn10300.c (mn10300_va_start),
	config/rs6000/rs6000.c (rs6000_va_start),
	config/s390/s390.c (s390_va_start),
	config/sh/sh.c (sh_va_start),
	Ignore first argument; it is always 1.

	* config/c4x/c4x-protos.h, config/c4x/c4x.c: Delete c4x_va_start.
	* config/ia64/ia64-protos.h, config/ia64/ia64.c: Delete ia64_va_start.
	* config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
	Delete m68hc11_va_start.
	* config/c4x/c4x.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h:
	No need to define EXPAND_BUILTIN_VA_START.

	* doc/invoke.texi, doc/sourcebuild.texi, doc/tm.texi,
	doc/trouble.texi: Remove references to GCC-provided <varargs.h>.

testsuite:
	* c-torture/execute/991216-3.c, c-torture/execute/strct-varg-1.c,
	c-torture/execute/va-arg-7.c, c-torture/execute/va-arg-8.c,
	c-torture/execute/va-arg-15.c, c-torture/execute/va-arg-16.c,
	c-torture/execute/va-arg-17.c, c-torture/execute/va-arg-19.c:
	Convert to use <stdarg.h>.
	* c-torture/execute/va-arg-3.c, c-torture/execute/va-arg-3.x:
	Delete.
	* gcc.dg/va-arg-2.c: New.
	* lib/gcc.exp, lib/objc.exp: Remove code to set -DNO_VARARGS.

From-SVN: r55472

	* c-decl.c (duplicate_decls): Preserve the noreturn attribute on
	non-ANSI builtin functions.

	* gcc.c-torture/execute/builtin-noret-1.c: Test non-ANSI functions.

From-SVN: r55396

	* tree.h:  Modify builtin_function interface to take an extra
	argument ATTRS, which is a tree representing an attribute list.

	* c-decl.c (builtin_function): Accept additional parameter.
	* objc/objc-act.c (builtin_function): Likewise.
	* f/com.c (builtin_function): Likewise.
	* java/decl.c (builtin_function): Likewise.
	* ada/utils.c (builtin_function): Likewise.
	* cp/decl.c (builtin_function): Likewise.
	(builtin_function_1): Likewise.

	* c-common.c (c_common_nodes_and_builtins): Pass an additional
	NULL_TREE argument to builtin_function.  (builtin_function_2):
	Likewise.
	* cp/call.c (build_java_interface_fn_ref): Likewise.
	* objc/objc-act.c (synth_module_prologue): Likewise.
	* java/decl.c (java_init_decl_processing): Likewise.
	* f/com.c (ffe_com_init_0): Likewise.

	* config/alpha/alpha.c (alpha_init_builtins): Pass an additional
	NULL_TREE argument builtin_function.
	* config/arm/arm.c (def_builtin): Likewise.
	* config/c4x/c4x.c (c4x_init_builtins): Likewise.
	* config/i386/i386.c (def_builtin): Likewise.
	* config/ia64/ia64.c (def_builtin): Likewise.
	* config/rs6000/rs6000.c (def_builtin): Likewise.

From-SVN: r55161

ada:
	* utils.c (init_gigi_decls): Use ARRAY_SIZE in lieu of explicit
	array size calculation.

gcc:
	* c-decl.c (c_decode_option): Use ARRAY_SIZE in lieu of explicit
	array size calculation.
	* gengtype.c (NUM_BASE_FILES, create_file, write_gc_root):
	Likewise.

cp:
	* spew.c (remove_last_token): Use ARRAY_SIZE in lieu of explicit
	array size calculation.

From-SVN: r54842

        * c-common.c (flag_ms_extensions): Move from c++ front end.
        * c-common.h (flag_ms_extensions): Declare.
        * c-decl.c (c_decode_option): Add -fms-extensions.
        (grokfield): Don't accept anonymous structures in ISO C mode;
        accept only unnamed anonymous structures in GNU C mode; accept
        Plan 9 extensions in MS mode.
        * c-parse.in (SAVE_EXT_FLAGS, RESTORE_EXT_FLAGS): Rename from
        SAVE/RESTORE_WARN_FLAGS; add flag_iso frobbing; update all callers.
        (extension): Clear flag_iso.
        * doc/invoke.texi (C Dialect Options): Add -fms-extensions.

        * cp-tree.h, decl2.c (flag_ms_extensions): Move to c-common.

        * g++.dg/ext/anon-struct1.C: New.
        * g++.dg/ext/anon-struct2.C: New.
        * g++.dg/ext/anon-struct3.C: New.
        * gcc.dg/anon-struct-1.c: New.
        * gcc.dg/anon-struct-2.c: New.
        * gcc.dg/anon-struct-3.c: New.
        * gcc.dg/20011008-1.c: Adjust warning text.
        * gcc.dg/20020527-1.c: Add -fms-extensions.

From-SVN: r54670

	PR c/6660
	* c-decl.c (grokfield): Allow user defined types if they declare
	structs or unions for unnamed fields.

	* gcc.dg/20020527-1.c: New test.

From-SVN: r54466

	* cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W
	options their own entries.
	(parse_option): Clarify comment.
	(cpp_handle_option): Remove 'ignore' parameter and OPT_W
	special case.  Replace if/strcmp chain for -W options with
	use of new OPT_* entries for them.
	(cpp_handle_options): Update to match.
	* cpplib.h: Remove last parameter to cpp_handle_option from prototype.
	* c-decl.c, cp/decl2.c: Update call to cpp_handle_option.

From-SVN: r54352

From-SVN: r54232

2002-05-31  Stan Shebs  <shebs@apple.com>
            Turly O'Connor  <turly@apple.com>

        * c-decl.c (struct binding_level): Change int field n_incomplete
        to tree list incomplete_list.
        (clear_binding_level): Init field with NULL.
        (pushdecl): Add incomplete type to list.
        (mark_binding_level): Mark the incomplete list.
        (finish_struct): Scan the incomplete list for types instead
        of all decls in the current binding level.

Co-Authored-By: Turly O'Connor <turly@apple.com>

From-SVN: r54116

	* Makefile.in (C_COMMON_H): Fix.
	Update other targets.
	* c-common.c: Don't include c-lex.h.
	(builtin_define_with_value): Make static and prototype.
	(builtin_define_std): Move from c-lex.h.
	* c-common.h (init_c_lex): Move from c-lex.h.
	* c-decl.c: Don't include c-lex.h.
	(make_pointer_declarator): Move from c-parse.in.
	* c-lex.c: Don't include c-lex.h.
	* c-lex.h: Remove.
	* c-parse.in: Don't include c-lex.h; include c-pragma.h.
	(make_pointer_declarator): Move to c-decl.c.
	* c-pragma.c: Don't include c-lex.h.
	* c-pragma.h (yydebug, YYDEBUG, parse_in, c_lex): Move from c-lex.h.
	* c-tree.h (make_pointer_declarator): New.
cp:
	* lex.c: Don't include c-lex.h.
	* parse.y, spew.c: Don't include c-lex.h; include c-pragma.h.
doc:
	* passes.texi, tm.texi: Update.
objc:
	* Make-lang.in: Update and correct.
	* objc-act.c: Don't include c-lex.h or cpplib.h.
treelang:
	* treetree.c: Don't include c-lex.h.
config:
	* darwin-c.c: Don't include c-lex.h.
	* c4x/c4x-c.c: Don't include c-lex.h.
	* c4x/t-c4x: Update.
	* i370/i370-c.c: Don't include c-lex.h.
	* i370/t-i370: Update.
	* i960/i960-c.c: Don't include c-lex.h.
	* i960/i960.c: Don't include cpplib.h, c-lex.h or c-pragma.h.
	* i960/t-960bare: Update.
	* i960/t-vxworks: Update.
	* rs6000/rs6000-c.c: Don't include c-lex.h; include c-pragma.h.
	* rs6000/t-darwin: Update.
	* rs6000/t-rs6000-c-rule: Update.
	* v850/v850-c.c: Don't include c-lex.h.
	* v850/v850.c: Don't include c-lex.h or cpplib.h.

From-SVN: r53876

* c-common.c (warn_nonnull): Declare.
(c_common_attribute_table): Add "nonnull" attribute.
(handle_nonnull_attribute, check_function_nonnull, nonnull_check_p,
check_nonnull_arg, get_nonnull_operand, check_function_arguments,
check_function_arguments_recurse): New functions.
* c-common.h (warn_nonnull): Declare extern.
(check_function_arguments, check_function_arguments_recurse): New
prototypes.
* c-decl.c (c_decode_option): Add -Wnonnull option.
* c-format.c (set_Wformat): Set warn_nonnull if enabling
format checking.
(format_check_context): New structure.
(check_format_info_recurse): Remove recursion and rename to...
(check_format_arg): ...this.  Update comment.
(check_format_info): Use check_function_arguments_recurse.
* c-typeck.c (build_function_call): Call check_function_arguments
instead of check_function_format.
* doc/extend.texi: Document "nonnull" attribute.
* doc/invoke.texi: Docuemnt -Wnonnull option.
* testsuite/gcc.dg/nonnull-1.c: New test.
* testsuite/gcc.dg/nonnull-2.c: New test.

From-SVN: r53790

        * c-common.h (enum rid): Add RID_THREAD.
        * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables.
        (grokdeclarator): Grok __thread.
        * c-parse.in (reswords): Add __thread.
        (rid_to_yy): Add RID_THREAD.
        * cp/lex.c (rid_to_yy): Add RID_THREAD.

        * tree.h (DECL_THREAD_LOCAL): New.
        (struct tree_decl): Add thread_local_flag.
        * print-tree.c (print_node): Dump DECL_THREAD_LOCAL.
        * tree.c (staticp): TLS variables are not static.

        * target-def.h (TARGET_HAVE_TLS): New.
        * target.h (have_tls): New.
        * output.h (SECTION_TLS): New.
        * varasm.c (assemble_variable): TLS variables can't be common for now.
        (default_section_type_flags): Handle .tdata and .tbss.
        (default_elf_asm_named_section): Handle SECTION_TLS.
        (categorize_decl_for_section): Handle DECL_THREAD_LOCAL.

        * flags.h (flag_tls_default): Declare.
        * toplev.c (flag_tls_default): Define.
        (display_help): Display help for it.
        (decode_f_option): Set it.

        * doc/extend.texi (Thread-Local): New node describing language-level
        thread-local storage.
        * doc/invoke.texi (-ftls-model): Document.

        * fixinc/inclhack.def (thread_keyword): New.
        * fixinc/fixincl.x: Rebuild.

From-SVN: r53715

* c-common.c (c_common_post_options): Warn if -Wformat-zero-length
is used without -Wformat.
* c-common.h (warn_format_zero_length): Declare extern.
* c-decl.c (warn_options): Add "format-zero-length".
* c-format.c (warn_format_zero_length): Declare.
(set_Wformat): Set warn_format_zero_length for -Wformat.
(check_format_info): Only warn about zero-length formats if
warn_format_zero_length is true.  Include the format type
name in the warning message.
* doc/invoke.texi: Document -Wformat-zero-length.
* testsuite/gcc.dg/format/zero-length-1.c: New test.

From-SVN: r53592

	* Makefile.in: Update.
	* c-common.c (flag_iso, flag_undef, cb_register_builtins,
	builtin_define_std): New.
	(c_common_init): Register CPP builtins callback.
	* c-common.h (flag_iso, flag_undef): New.
	* c-decl.c (c_decode_option): Set flag_iso and flag_undef.
	* c-lex.c: Don't include target.h.
	(cb_register_builtins): Move to c-common.c.
	(init_c_lex): Don't register hook here.
	* c-lex.h (builtin_define, builtin_assert, builtin_define_std): New.
	(cpp_define, cpp_assert): Remove.
	* gcc.c (cc1_options): Pass -undef to front end.
	* target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove.
	(TARGET_INITIALIZER): Update.
	* target.h (struct cpp_reader): Don't predeclare.
	(struct gcc_target): Remove cpp builtin hook.
	* tree.c (default_register_cpp_builtins): Remove.
cp:
	* cp-tree.h (flag_ansi): Remove.
	* decl2.c (flag_ansi): Remove.
	(cxx_decode_option): Set flag_iso and flag_undef.
doc:
	* tm.texi: Update.

From-SVN: r53349

	* c-common.c (warn_multichar): New.
	(c_common_init): Set CPP's warn_multichar.
	* c-common.h (warn_multichar): New.
	* c-decl.c (warn_multichar): Remove.
	* c-lex.c (lex_charconst): Update.
	* c-tree.h (warn_multichar): Remove.
	* cppexp.c (eval_token): Sign-extend charconst value.
	* cppinit.c (cpp_create_reader): Set warn_multichar.
	* cpplex.c (cpp_interpret_charconst): Don't sign-extend
	each character.  Update prototype.  Sign-extend the result.
	* cpplib.h: Fix conditions.
	(struct cpp_options): Add new warning flag.
	(cpp_interpret_charconst): Update prototype.
cp:
	* Make-lang.in (decl2.o): Update.
	* cp-tree.h (warn_multichar): Remove.
	* decl2.c: Include c-common.h.
	(warn_multichar): Remove.
doc:
	* cpp.texi: Update documentation.
testsuite:
	* gcc.dg/cpp/charconst-3.c: Correct tests accordingly.

From-SVN: r53240

        * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c.
        * c-decl.c (c_init_decl_processing): Use it.
        * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE.
        * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define.
        * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define.

From-SVN: r53089

	2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	PR c/6343
	* c-decl.c (duplicate_decls): Call merge_weak.
	* c-pragma.c (apply_pragma_weak): Warn about misuse.
	* output.h (merge_weak): Prototype merge_weak.
	* varasm.c (merge_weak): New function.
	(declare_weak): Make sure we don't give an error on VAR_DECLs.
	Mark RTL with SYMBOL_REF_WEAK.

cp:
	* decl.c (duplicate_decls): Call merge_weak.

testsuite:
	* gcc.dg/weak-[2-7].c: New tests.

From-SVN: r52844